import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Test4 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        // while (in.hasNextInt()) { // 注意 while 处理多个 case
        //     int a = in.nextInt();
        //     int b = in.nextInt();
        //     System.out.println(a + b);
        // }

        int n = in.nextInt();
        int[][] arr = new int[n][n];

        for (int i = 0; i < n; i++) {
            arr[i][0] = 1;
            arr[i][i] = 1;
        }

        for (int i = 2; i < n; i++) {
            for (int j = 1; j < i; j++) {
                arr[i][j] = arr[i - 1][j - 1] + arr[i - 1][j];
            }
        }

        for (int i = 0; i < n; i++) {
            for (int j = 0; j <= i; j++) {
                if (arr[i][j] != 0) {
                    System.out.print("  " + arr[i][j] + "  ");
                }
            }
            System.out.println();
        }
    }
}